Ms Sheridan was married four times. First to actor Jimmy Hanley in 1942 with whom she had three children, then to business executive John Davis in 1954, then to actor John Merivale in 1986 and to Aubrey Ison in 1992.

Her son, Jeremy Hanley, became an accountant and Conservative Party politician.

Her daughter, Jenny Hanley, became an actress and a co-presenter of the British television series Magpie.